AMD Radeon RX 6800 XT vs NVIDIA GeForce 9400 GT PCI

VS

AMD Radeon RX 6800 XT

NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 12 years and 2 months late

Boost Clock2250MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (512.0GB/s vs 12.80GB/s)

4592 additional rendering cores

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +45988%

20.74 TFLOPS

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon RX 6800 XT

VS

GeForce 9400 GT PCI

Graphics Card

Oct 2020

Release Date

Aug 2008

Navi II

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

12.80GB/s

Render Config

72

Compute Units

-

SM Count

2

4608

Shading Units

16

288

TMUs

8

128

ROPs

4

-

72

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

32 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

2.200 GPixel/s

648.0 GTexel/s

Texture Rate

4.400 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

44.80 GFLOPS

1296 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

G96C

Navi 21 XT (215-121000177)

GPU Variant

-

RDNA 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.314 billion

520 mm²

Die Size

121 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.5

Shader Model

4.0

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